/*
 * jQuery treetable Plugin 3.2.0
 * http://ludo.cubicphuse.nl/jquery-treetable
 *
 * Copyright 2013, Ludo van den Boom
 * Dual licensed under the MIT or GPL Version 2 licenses.
 */
layui.define('jquery', function(exports) {
  var jQuery = layui.jquery;
  (function($) {
    var Node, Tree, methods;

    Node = (function() {
      function Node(row, tree, settings) {
        var parentId;

        this.row = row;
        this.tree = tree;
        this.settings = settings;

        // TODO Ensure id/parentId is always a string (not int)
        this.id = this.row.data(this.settings.nodeIdAttr);

        // TODO Move this to a setParentId function?
        parentId = this.row.data(this.settings.parentIdAttr);
        if (parentId != null && parentId !== "") {
          this.parentId = parentId;
        }

        this.treeCell = $(this.row.children(this.settings.columnElType)[this.settings.column]);
        this.expander = $(this.settings.expanderTemplate);
        this.indenter = $(this.settings.indenterTemplate);
        this.children = [];
        this.initialized = false;
        this.treeCell.prepend(this.indenter);
      }

      Node.prototype.addChild = function(child) {
        return this.children.push(child);
      };

      Node.prototype.ancestors = function() {
        var ancestors, node;
        node = this;
        ancestors = [];
        while (node = node.parentNode()) {
          ancestors.push(node);
        }
        return ancestors;
      };

      Node.prototype.collapse = function() {
        if (this.collapsed()) {
          return this;
        }

        this.row.removeClass("expanded").addClass("collapsed");

        this._hideChildren();
        this.expander.attr("title", this.settings.stringExpand);

        if (this.initialized && this.settings.onNodeCollapse != null) {
          this.settings.onNodeCollapse.apply(this);
        }

        return this;
      };

      Node.prototype.collapsed = function() {
        return this.row.hasClass("collapsed");
      };

      // TODO destroy: remove event handlers, expander, indenter, etc.

      Node.prototype.expand = function() {
        if (this.expanded()) {
          return this;
        }

        this.row.removeClass("collapsed").addClass("expanded");

        if (this.initialized && this.settings.onNodeExpand != null) {
          this.settings.onNodeExpand.apply(this);
        }

        if ($(this.row).is(":visible")) {
          this._showChildren();
        }

        this.expander.attr("title", this.settings.stringCollapse);

        return this;
      };

      Node.prototype.expanded = function() {
        return this.row.hasClass("expanded");
      };

      Node.prototype.hide = function() {
        this._hideChildren();
        this.row.hide();
        return this;
      };

      Node.prototype.isBranchNode = function() {
        if(this.children.length > 0 || this.row.data(this.settings.branchAttr) === true) {
          return true;
        } else {
          return false;
        }
      };

      Node.prototype.updateBranchLeafClass = function(){
        this.row.removeClass('branch');
        this.row.removeClass('leaf');
        this.row.addClass(this.isBranchNode() ? 'branch' : 'leaf');
      };

      Node.prototype.level = function() {
        return this.ancestors().length;
      };

      Node.prototype.parentNode = function() {
        if (this.parentId != null) {
          return this.tree[this.parentId];
        } else {
          return null;
        }
      };

      Node.prototype.removeChild = function(child) {
        var i = $.inArray(child, this.children);
        return this.children.splice(i, 1)
      };

      Node.prototype.render = function() {
        var handler,
            settings = this.settings,
            target;

        if (settings.expandable === true && this.isBranchNode()) {
          handler = function(e) {
            $(this).parents("table").treetable("node", $(this).parents("tr").data(settings.nodeIdAttr)).toggle();
            return e.preventDefault();
          };

          this.indenter.html(this.expander);
          target = settings.clickableNodeNames === true ? this.treeCell : this.expander;

          target.off("click.treetable").on("click.treetable", handler);
          target.off("keydown.treetable").on("keydown.treetable", function(e) {
            if (e.keyCode == 13) {
              handler.apply(this, [e]);
            }
          });
        }

        this.indenter[0].style.paddingLeft = "" + (this.level() * settings.indent) + "px";

        return this;
      };

      Node.prototype.reveal = function() {
        if (this.parentId != null) {
          this.parentNode().reveal();
        }
        return this.expand();
      };

      Node.prototype.setParent = function(node) {
        if (this.parentId != null) {
          this.tree[this.parentId].removeChild(this);
        }
        this.parentId = node.id;
        this.row.data(this.settings.parentIdAttr, node.id);
        return node.addChild(this);
      };

      Node.prototype.show = function() {
        if (!this.initialized) {
          this._initialize();
        }
        this.row.show();
        if (this.expanded()) {
          this._showChildren();
        }
        return this;
      };

      Node.prototype.toggle = function() {
        if (this.expanded()) {
          this.collapse();
        } else {
          this.expand();
        }
        return this;
      };

      Node.prototype._hideChildren = function() {
        var child, _i, _len, _ref, _results;
        _ref = this.children;
        _results = [];
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          child = _ref[_i];
          _results.push(child.hide());
        }
        return _results;
      };

      Node.prototype._initialize = function() {
        var settings = this.settings;

        this.render();

        if (settings.expandable === true && settings.initialState === "collapsed") {
          this.collapse();
        } else {
          this.expand();
        }

        if (settings.onNodeInitialized != null) {
          settings.onNodeInitialized.apply(this);
        }

        return this.initialized = true;
      };

      Node.prototype._showChildren = function() {
        var child, _i, _len, _ref, _results;
        _ref = this.children;
        _results = [];
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          child = _ref[_i];
          _results.push(child.show());
        }
        return _results;
      };

      return Node;
    })();

    Tree = (function() {
      function Tree(table, settings) {
        this.table = table;
        this.settings = settings;
        this.tree = {};

        // Cache the nodes and roots in simple arrays for quick access/iteration
        this.nodes = [];
        this.roots = [];
      }

      Tree.prototype.collapseAll = function() {
        var node, _i, _len, _ref, _results;
        _ref = this.nodes;
        _results = [];
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          node = _ref[_i];
          _results.push(node.collapse());
        }
        return _results;
      };

      Tree.prototype.expandAll = function() {
        var node, _i, _len, _ref, _results;
        _ref = this.nodes;
        _results = [];
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          node = _ref[_i];
          _results.push(node.expand());
        }
        return _results;
      };

      Tree.prototype.findLastNode = function (node) {
        if (node.children.length > 0) {
          return this.findLastNode(node.children[node.children.length - 1]);
        } else {
          return node;
        }
      };

      Tree.prototype.loadRows = function(rows) {
        var node, row, i;

        if (rows != null) {
          for (i = 0; i < rows.length; i++) {
            row = $(rows[i]);

            if (row.data(this.settings.nodeIdAttr) != null) {
              node = new Node(row, this.tree, this.settings);
              this.nodes.push(node);
              this.tree[node.id] = node;

              if (node.parentId != null && this.tree[node.parentId]) {
                this.tree[node.parentId].addChild(node);
              } else {
                this.roots.push(node);
              }
            }
          }
        }

        for (i = 0; i < this.nodes.length; i++) {
          node = this.nodes[i].updateBranchLeafClass();
        }

        return this;
      };

      Tree.prototype.move = function(node, destination) {
        // Conditions:
        // 1: +node+ should not be inserted as a child of +node+ itself.
        // 2: +destination+ should not be the same as +node+'s current parent (this
        //    prevents +node+ from being moved to the same location where it already
        //    is).
        // 3: +node+ should not be inserted in a location in a branch if this would
        //    result in +node+ being an ancestor of itself.
        var nodeParent = node.parentNode();
        if (node !== destination && destination.id !== node.parentId && $.inArray(node, destination.ancestors()) === -1) {
          node.setParent(destination);
          this._moveRows(node, destination);

          // Re-render parentNode if this is its first child node, and therefore
          // doesn't have the expander yet.
          if (node.parentNode().children.length === 1) {
            node.parentNode().render();
          }
        }

        if(nodeParent){
          nodeParent.updateBranchLeafClass();
        }
        if(node.parentNode()){
          node.parentNode().updateBranchLeafClass();
        }
        node.updateBranchLeafClass();
        return this;
      };

      Tree.prototype.removeNode = function(node) {
        // Recursively remove all descendants of +node+
        this.unloadBranch(node);

        // Remove node from DOM (<tr>)
        node.row.remove();

        // Remove node from parent children list
        if (node.parentId != null) {
          node.parentNode().removeChild(node);
        }

        // Clean up Tree object (so Node objects are GC-ed)
        delete this.tree[node.id];
        this.nodes.splice($.inArray(node, this.nodes), 1);

        return this;
      }

      Tree.prototype.render = function() {
        var root, _i, _len, _ref;
        _ref = this.roots;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          root = _ref[_i];

          // Naming is confusing (show/render). I do not call render on node from
          // here.
          root.show();
        }
        return this;
      };

      Tree.prototype.sortBranch = function(node, sortFun) {
        // First sort internal array of children
        node.children.sort(sortFun);

        // Next render rows in correct order on page
        this._sortChildRows(node);

        return this;
      };

      Tree.prototype.unloadBranch = function(node) {
        // Use a copy of the children array to not have other functions interfere
        // with this function if they manipulate the children array
        // (eg removeNode).
        var children = node.children.slice(0),
            i;

        for (i = 0; i < children.length; i++) {
          this.removeNode(children[i]);
        }

        // Reset node's collection of children
        node.children = [];

        node.updateBranchLeafClass();

        return this;
      };

      Tree.prototype._moveRows = function(node, destination) {
        var children = node.children, i;

        node.row.insertAfter(destination.row);
        node.render();

        // Loop backwards through children to have them end up on UI in correct
        // order (see #112)
        for (i = children.length - 1; i >= 0; i--) {
          this._moveRows(children[i], node);
        }
      };

      // Special _moveRows case, move children to itself to force sorting
      Tree.prototype._sortChildRows = function(parentNode) {
        return this._moveRows(parentNode, parentNode);
      };

      return Tree;
    })();

    // jQuery Plugin
    methods = {
      init: function(options, force) {
        var settings;

        settings = $.extend({
          branchAttr: "ttBranch",
          clickableNodeNames: false,
          column: 0,
          columnElType: "td", // i.e. 'td', 'th' or 'td,th'
          expandable: false,
          expanderTemplate: "<a href='#'>&nbsp;</a>",
          indent: 19,
          indenterTemplate: "<span class='indenter'></span>",
          initialState: "collapsed",
          nodeIdAttr: "ttId", // maps to data-tt-id
          parentIdAttr: "ttParentId", // maps to data-tt-parent-id
          stringExpand: "Expand",
          stringCollapse: "Collapse",

          // Events
          onInitialized: null,
          onNodeCollapse: null,
          onNodeExpand: null,
          onNodeInitialized: null
        }, options);

        return this.each(function() {
          var el = $(this), tree;

          if (force || el.data("treetable") === undefined) {
            tree = new Tree(this, settings);
            tree.loadRows(this.rows).render();

            el.addClass("treetable").data("treetable", tree);

            if (settings.onInitialized != null) {
              settings.onInitialized.apply(tree);
            }
          }

          return el;
        });
      },

      destroy: function() {
        return this.each(function() {
          return $(this).removeData("treetable").removeClass("treetable");
        });
      },

      collapseAll: function() {
        this.data("treetable").collapseAll();
        return this;
      },

      collapseNode: function(id) {
        var node = this.data("treetable").tree[id];

        if (node) {
          node.collapse();
        } else {
          throw new Error("Unknown node '" + id + "'");
        }

        return this;
      },

      expandAll: function() {
        this.data("treetable").expandAll();
        return this;
      },

      expandNode: function(id) {
        var node = this.data("treetable").tree[id];

        if (node) {
          if (!node.initialized) {
            node._initialize();
          }

          node.expand();
        } else {
          throw new Error("Unknown node '" + id + "'");
        }

        return this;
      },

      loadBranch: function(node, rows) {
        var settings = this.data("treetable").settings,
            tree = this.data("treetable").tree;

        // TODO Switch to $.parseHTML
        rows = $(rows);

        if (node == null) { // Inserting new root nodes
          this.append(rows);
        } else {
          var lastNode = this.data("treetable").findLastNode(node);
          rows.insertAfter(lastNode.row);
        }

        this.data("treetable").loadRows(rows);

        // Make sure nodes are properly initialized
        rows.filter("tr").each(function() {
          tree[$(this).data(settings.nodeIdAttr)].show();
        });

        if (node != null) {
          // Re-render parent to ensure expander icon is shown (#79)
          node.render().expand();
        }

        return this;
      },

      move: function(nodeId, destinationId) {
        var destination, node;

        node = this.data("treetable").tree[nodeId];
        destination = this.data("treetable").tree[destinationId];
        this.data("treetable").move(node, destination);

        return this;
      },

      node: function(id) {
        return this.data("treetable").tree[id];
      },

      removeNode: function(id) {
        var node = this.data("treetable").tree[id];

        if (node) {
          this.data("treetable").removeNode(node);
        } else {
          throw new Error("Unknown node '" + id + "'");
        }

        return this;
      },

      reveal: function(id) {
        var node = this.data("treetable").tree[id];

        if (node) {
          node.reveal();
        } else {
          throw new Error("Unknown node '" + id + "'");
        }

        return this;
      },

      sortBranch: function(node, columnOrFunction) {
        var settings = this.data("treetable").settings,
            prepValue,
            sortFun;

        columnOrFunction = columnOrFunction || settings.column;
        sortFun = columnOrFunction;

        if ($.isNumeric(columnOrFunction)) {
          sortFun = function(a, b) {
            var extractValue, valA, valB;

            extractValue = function(node) {
              var val = node.row.find("td:eq(" + columnOrFunction + ")").text();
              // Ignore trailing/leading whitespace and use uppercase values for
              // case insensitive ordering
              return $.trim(val).toUpperCase();
            }

            valA = extractValue(a);
            valB = extractValue(b);

            if (valA < valB) return -1;
            if (valA > valB) return 1;
            return 0;
          };
        }

        this.data("treetable").sortBranch(node, sortFun);
        return this;
      },

      unloadBranch: function(node) {
        this.data("treetable").unloadBranch(node);
        return this;
      }
    };

    $.fn.treetable = function(method) {
      if (methods[method]) {
        return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
      } else if (typeof method === 'object' || !method) {
        return methods.init.apply(this, arguments);
      } else {
        return $.error("Method " + method + " does not exist on jQuery.treetable");
      }
    };

    // Expose classes to world
    this.TreeTable || (this.TreeTable = {});
    this.TreeTable.Node = Node;
    this.TreeTable.Tree = Tree;
  })(jQuery);
  exports('treetable');
});
